Lightolier VR Parabolic VRA2G18LP332 دليل المستخدم

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VR PARABOLIC VRA2G18LP332
Page 1 of 2 2'x4' RECESSED FLUORESCENT, 4" DEEP, 18 CELL (3x6) PARABOLIC LOUVER
STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE
Features
• Meets IES RP1 for lighting VDT areas with normal use.
• 64.5% efficient (T8).
• 1.4 spacing mounting ratio.
• Only 6" deep body.
• One-piece housing.
• Semi-specular low iridescence pre-anodized louver.
• Spring-loaded latches.
• Concealed “T” hinges.
• Louver frame with integral positive light stop.
• Earthquake clips includ

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VR PARABOLIC VRA2G18LP332 Page 2 of 2 2'x4' RECESSED FLUORESCENT, 4" DEEP, 18 CELL (3x6) PARABOLIC LOUVER STATIC OR AIR SUPPLY/RETURN, IES RP1 FOR NORMAL VDT USE LER = FP - 55.0 WATTS - 85 BF - 0.85 PHOTOMETRY MODEL NO. VRA2G18LP332O3 Comparative yearly lighting energy cost per 1000 lumens = $4.36 coefficients of utilization — zonal cavity method (effective floor cavity reflectance 0.20) RF 20 20 20 RC 80 50 30 RW 70 50 30 50 30 10 50 30 10 172 70 68 66 65 63 64 62 61 267 64 60 60 58 56 58 56 5